Imports github.com/hashicorp/vault/helper/jsonutil github.com/hashicorp/vault/logical github.com/hashicorp/go-uuid github.com/hashicorp/vault/helper/kdf golang.org/x/crypto/hkdf github.com/hashicorp/vault/helper/errutil Standard library imports bytes crypto/rand crypto/x509 encoding/base64 encoding/json errors fmt io math/big strconv strings sync time crypto/elliptic crypto/hmac encoding/pem crypto/sha256 crypto/cipher crypto/aes crypto/ecdsa encoding/asn1